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Network
00000057 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details)
(http://acu.com/role/IncomeTaxes-DeferredTaxAssetsAndLiabilitiesDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000002098 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-12-31
2015-12-31
Income Tax Disclosure [Abstract]
 
 
Deferred income tax liabilities:
 
 
Plant, property and equipment
604,271  
536,759  
Total
604,271  
 
536,759  
 
Deferred income tax assets:
 
 
Asset valuations
720,189  
677,994  
Contribution carryforward
  
Operating loss carryforwards and credits
121,658  
110,110  
Pension
227,681  
189,920  
Foreign tax credit
186,504  
186,504  
Other
593,140  
753,219  
Total
1,849,172  
 
1,917,747  
 
Net deferred income tax asset before valuation allowance
1,244,901  
 
1,380,988  
 
Valuation allowance
(74,552) 
(110,110) 
Net deferred income tax asset
1,170,349  
 
1,270,878